发泡剂
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普通发泡剂多少钱一支？？
宫莹 2021-03-26 10:31 开发者_运维百科 普通管式发泡剂五金店有卖15至20一支，枪式的也差不多，但要发泡枪，一次用不完下次还可以用[详细]
2023-03-12 23:19 分类：问答Using NHibernate to select entities based on activity of children entities
I\'m having a case of the Mondays... I need to select blog posts based on recent activity in the post\'s comments collection (a Post has a List<Comment> property and likewise, a Comment has a P[详细]
2022-12-27 16:02 分类：问答-
冰箱上写的环戊烷是什么意思，冰箱上面的环戊烷是什么意思
品牌型号：美的空调 系统：BCD-568WKPZM(E)冰箱上写的环戊烷表示该冰箱是用环戊烷作为发泡剂。环戊烷用来替代氟里昂广泛用于电冰箱、冰柜的保温材料及其他硬质PU泡沫的发泡剂。其为无色流动性易燃[详细]
2022-12-03 19:22 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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